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natita [175]
2 years ago
6

HELP ME PLEASE! I'LL GIVE BRAINLIEST+ 5 STARS!

Mathematics
1 answer:
Jlenok [28]2 years ago
7 0

Answer:

7.69

Step-by-step explanation:

i need brainliest for level up please

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Use the discriminant and select whether the roots of 5x 2 - 4x + 3 = 0 are real or non-real. real
valkas [14]
The discriminant of a quadratic equation is calculated through the equation,
                                   D = b² - 4ac 
In the given above, a = 5, b = -4, and c = 3. Substituting these values to the equation,
                                   D = (-4)² - 4(5)(3) = -44
Since the discriminant is negative, the roots are non-real.
3 0
4 years ago
Read 2 more answers
Y< 1/4x and y< -6x+6 are graphed on the coordinate plane
slavikrds [6]

Answer:

See attachment

Step-by-step explanation:

To graph

y \:  <  \:  \frac{1}{4} x

You first graph the boundary line

y =  \frac{1}{4} x

This is a dashed line going through the origin with slope 1/4.

We test the point (0,1) to get: 1<0 which is false. So we shade the lower half-plane.

To graph

y \:  <  \:  - 6x + 6

We first graph line

y =  - 6x + 6

By plotting (0,6), and (1,0)

We draw a dashed boundary line.

We test the origin:

0<6 which is true so we shade the left half-plane .

The intersection of both shaded regions represent the solution set.

The graph us shown in attachment.

3 0
4 years ago
This was very hard for me please help thanks.​
AleksAgata [21]

Step-by-step explanation:

m<5 = 60 (<5 & 60deg < are vertical)

m<6 = 120 (<s 5 and 6 are a linear pair)

m<9 = 120 (<s 6 and 9 are vertical)

m<4 = 80 (<s 4 and 80 deg < are vertical)

m<7 = 100 (<7 and 80 deg < are linear pair)

m<10 = 100 (<s 7 and 10 are vertical <s)

m<8 = 60 (<s 5 and 8 are corresp <s)

m<3 = 80 (80 deg <3 are corresp <s)

m<2 = 40 (80 + 60 + m<2 = 180)

m<1 = 60 (<s 1 & 5 are alt int <s)

8 0
3 years ago
Use the point-slope formula to write an equation of the line that passes through (-5,3) and
trapecia [35]

Answer:

The equation in point slope form is y-6=\frac{1}{3}(x-4)

The equation in slope intercept form is y=\frac{1}{3}x-\frac{14}{3}

Step-by-step explanation:

step 1

Find the slope m

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

(-5,3),(4,6)

Substitute the values

m=\frac{6-3}{4+5}

m=\frac{3}{9}

simplify

m=\frac{1}{3}

step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=\frac{1}{3}

(4,6)

substitute

y-6=\frac{1}{3}(x-4) ---> equation in point slope form

step 3

Find the equation of the line in slope intercept form

y=mx+b

y-6=\frac{1}{3}(x-4) ----> convert to slope intercept form

y-6=\frac{1}{3}x-\frac{4}{3}

y=\frac{1}{3}x-\frac{4}{3}+6

y=\frac{1}{3}x-\frac{14}{3}

5 0
3 years ago
Write an equation in point-slope form for the line with a slope of -9 that passes through (-1,-3)
Elena L [17]

Answer:

y+3=-9(x+1)

Step-by-step explanation:

The formula for point slope is: y-y1=m(x-x1)

When:

m = slope

(x1,y1) = the point on the graph

-9 is the slope, so it replaces m. x1 is -1, and y1 is -3.

Plug in the values:

y-(-3)=-9(x-(-1)) OR y+3=-9(x+1)

6 0
3 years ago
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